It will set you back $1800 or more once you have purchased the requisite extra components but once set up your Latitude 7285 will charge. The wireless charging mat puts out 18.5V which will keep you going even when working hard. They specifically mention that it is not for use on metal desks, so keep that in mind unless you really need a jolt to wake you up. The 2880 x 1920 12" tablet and comes with an i7 or i5 processor, an SSD of 128GB or 256GB and your choice of 8GB or 16GB of RAM. Keep in mind the price estimate above would be for the low end model. Pop by The Register to see more.

"Which is where things get a bit weird, because the Latitude 7285 starts at US$1,199, but the Wireless Charging Keyboard costs $379.99 and the Charging Mat is another $199.99. That's an extra $579.98 for the convenience of wireless charging (with a wire for the charging mat)."